1335117

Information

• Patent Grant
• 1335117

• References
• Source

• Patent Number

  1,335,117

• Date Filed

  Not available

• Date Issued

  Tuesday, March 30, 1920
  104 years ago

• CPC

  • F28F11/04 - using pairs of obturating elements
  • Y10T29/49938 - Radially expanding part in cavity, aperture, or hollow body
  • Y10T29/4994 - Radially expanding internal tube

• US Classifications

  • 138 - Pipes and tubular conduits
  • 029 - Metal working
  • 122 - Liquid heaters and vaporizers
  • 126 - Stoves and furnaces
  • 220 - Receptacles